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Daily Review

Daily Review. 1.) Name 3 collinear points 2.) Name two planes that contain points E and F 3.) Name another point in plane AGF 4.) Name 3 different planes. Linear Measure and Precision. Eric Hoffman Advanced Geometry PLHS Aug. 2007. Key Topics.

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Daily Review

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  1. Daily Review 1.) Name 3 collinear points 2.) Name two planes that contain points E and F 3.) Name another point in plane AGF 4.) Name 3 different planes

  2. Linear Measure and Precision Eric Hoffman Advanced Geometry PLHS Aug. 2007

  3. Key Topics • Line Segment – unlike a line, a line segment can be measured because it has two endpoints • Precision – depends on the smallest unit available on the measuring tool. Measurement should be precise within 0.5 unit of measure • Ex – if a line is measured with a ruler with ½ inch increments measurement should be within ¼ in. 5 millimeters 5.4 centimeters 5 ½ inches 8 yards Precise within 4.5 and 5.5 millimeters Precise within 4.9 and 5.9 millimeters Precise within 5 ¼ and 5 ¾ inches Precise within 7.5 and 8.5 yards

  4. Key Topics • Betweenness – point M is between point P and point Q if and only if P,Q,M are collinear and PM+MQ = PQ P M Q

  5. Key Topics • Congruent – when two objects have the exact same measure • Ex. AB CD NOTE!!! - angles and segments are congruent, distances and measures are equal C B D A

  6. Key Topics • Construction – method of creating geometric figures without measuring tool • Copy this line segment C A D B Construct a segment whose measure is 3(AB) Construct a segment whose measure is 4(AB) – 2(CD)

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